kaguya
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
#ifndef _ABIBITS_SHM_H
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#define _ABIBITS_SHM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <bits/ansi/time_t.h>
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#include <abi-bits/pid_t.h>
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#include <unistd.h>
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#include <sys/ipc.h>
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#define SHM_R 0400
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#define SHM_W 0200
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#define SHM_RDONLY 010000
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#define SHM_RND 020000
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#define SHM_REMAP 040000
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#define SHM_EXEC 0100000
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#define SHM_LOCK 11
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#define SHM_UNLOCK 12
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#define SHM_STAT 13
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#define SHM_INFO 14
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#define SHM_STAT_ANY 15
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#define SHM_DEST 01000
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#define SHM_LOCKED 02000
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#define SHM_HUGETLB 04000
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#define SHM_NORESERVE 010000
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#define SHM_HUGE_SHIFT 26
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#define SHM_HUGE_MASK 0x3f
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#define SHM_HUGE_64KB (16 << 26)
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#define SHM_HUGE_512KB (19 << 26)
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#define SHM_HUGE_1MB (20 << 26)
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#define SHM_HUGE_2MB (21 << 26)
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#define SHM_HUGE_8MB (23 << 26)
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#define SHM_HUGE_16MB (24 << 26)
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#define SHM_HUGE_32MB (25 << 26)
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#define SHM_HUGE_256MB (28 << 26)
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#define SHM_HUGE_512MB (29 << 26)
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#define SHM_HUGE_1GB (30 << 26)
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#define SHM_HUGE_2GB (31 << 26)
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#define SHM_HUGE_16GB (34U << 26)
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typedef unsigned long shmatt_t;
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#if defined(__i386__) || defined(__m68k__)
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struct shmid_ds {
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struct ipc_perm shm_perm;
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size_t shm_segsz;
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unsigned long __shm_atime_lo;
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unsigned long __shm_atime_hi;
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unsigned long __shm_dtime_lo;
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unsigned long __shm_dtime_hi;
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unsigned long __shm_ctime_lo;
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unsigned long __shm_ctime_hi;
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pid_t shm_cpid;
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pid_t shm_lpid;
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unsigned long shm_nattch;
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unsigned long __unused[3];
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time_t shm_atime;
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time_t shm_dtime;
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time_t shm_ctime;
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};
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#elif defined(__x86_64__) || defined(__aarch64__) || (defined(__riscv) && __riscv_xlen == 64) || defined(__loongarch64)
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struct shmid_ds {
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struct ipc_perm shm_perm;
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size_t shm_segsz;
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time_t shm_atime;
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time_t shm_dtime;
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time_t shm_ctime;
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pid_t shm_cpid;
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pid_t shm_lpid;
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unsigned long shm_nattch;
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unsigned long __unused[2];
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};
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#else
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#error "Missing architecture specific code."
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#endif
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struct shminfo {
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unsigned long shmmax;
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unsigned long shmmin;
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unsigned long shmmni;
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unsigned long shmseg;
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unsigned long shmall;
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unsigned long __unused[4];
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};
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struct shm_info {
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int used_ids;
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unsigned long shm_tot;
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unsigned long shm_rss;
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unsigned long shm_swp;
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unsigned long swap_attempts;
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unsigned long swap_successes;
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};
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#define SHMLBA (getpagesize())
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ABIBITS_SHM_H */
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